Micrel MICRF505BML/YML
October 2006 42
M9999-103106
+1 408-944-0800
Table 9: PAbuffer bias current setting
PA_IB2 PA_IB1 PA_IB0
State
0 0 0
PAbuffer uses bias current from PTATBias source, external resistor (Pin 2)
0 0 1
PAbuffer uses bias current from separate bias source, external resistor (Pin 8)
0 1 0
PAbuffer uses bias current from internal bias source, lowest current
0 1 1
PAbuffer uses bias current from internal bias source
1 0 0
PAbuffer uses bias current from internal bias source, typical current
1 0 1
PAbuffer uses bias current from internal bias source
1 1 0
PAbuffer uses bias current from internal bias source
1 1 1
PAbuffer uses bias current from internal bias source, highest current
Table 10: Frequency Error Estimation control bit
FEEC_1 FEEC_0 FEE Mode
0 0 Off
0 1 Counting UP pulses
1 0 Counting DN pulses
1 1
Counting UP and DN pulses. UP increments the
counter, DN decrements it.
Table 11: Frequency Error Estimation control bit, cont.
FEEC_3 FEEC_2 No. of DEMOD_DT bit used during the
measurement.
0 0 8
0 1 16
1 0 32
1 1 64
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The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel
for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
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